...The StrongStep® FOB Rapid Test Device (Feces) is a rapid visual immunoassay for the qualitative presumptive detection of human hemoglobin in human fecal specimens. This kit is intended to be used as an aid.....

... available Guaiac test, the One Step Fecal Occult Blood Test by Blue Cross is an immunochemical assay with much higher sensitivity and is designed to be more specific in detecting low levels of human fecal...